high
7.5
CWE
754
Advisory Published
Updated

CVE-2019-6856

First published: Mon Jan 06 2020(Updated: )

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service when writing specific physical memory blocks using Modbus TCP.

Credit: cybersecurity@se.com

Affected SoftwareAffected VersionHow to fix
Schneider-electric Modicon M580 Firmware<2.80
Schneider-electric Modicon M580
Schneider-electric Modicon M340 Firmware<3.01
Schneider-electric Modicon M340
Schneider-electric Tsxh5744m Firmware<3.20
Schneider-electric Tsxh5744m
Schneider-electric Tsxh5724m Firmware<3.20
Schneider-electric Tsxh5724m
Schneider-electric Tsxp576634m Firmware<3.20
Schneider-electric Tsxp576634m
Schneider-electric Tsxp57554m Firmware<3.20
Schneider-electric Tsxp57554m
Schneider-electric Tsxp575634m Firmware<3.20
Schneider-electric Tsxp575634m
Schneider-electric Tsxp57454m Firmware<3.20
Schneider-electric Tsxp57454m
Schneider-electric Tsxp574634m Firmware<3.20
Schneider-electric Tsxp574634m
Schneider-electric Tsxp57354m Firmware<3.20
Schneider-electric Tsxp57354m
Schneider-electric Tsxp573634m Firmware<3.20
Schneider-electric Tsxp573634m
Schneider-electric Tsxp57304m Firmware<3.20
Schneider-electric Tsxp57304m
Schneider-electric Tsxp57254m Firmware<3.20
Schneider-electric Tsxp57254m
Schneider-electric Tsxp572634m Firmware<3.20
Schneider-electric Tsxp572634m
Schneider-electric Tsxp57204m Firmware<3.20
Schneider-electric Tsxp57204m
Schneider-electric Tsxp571634m Firmware<3.20
Schneider-electric Tsxp571634m
Schneider-electric Tsxp57154m Firmware<3.20
Schneider-electric Tsxp57154m
Schneider-electric Tsxp57104m Firmware<3.20
Schneider-electric Tsxp57104m
Schneider-electric 140cpu65150 Firmware<3.52
Schneider-electric 140cpu65150
Schneider-electric 140cpu65160 Firmware<3.52
Schneider-electric 140cpu65160
Schneider-electric 140cpu65260 Firmware<3.52
Schneider-electric 140cpu65260
Schneider-electric 140cpu67261 Firmware<3.52
Schneider-electric 140cpu67261
Schneider-electric 140cpu67060 Firmware<3.52
Schneider-electric 140cpu67060
Schneider-electric 140cpu67160 Firmware<3.52
Schneider-electric 140cpu67160
Schneider-electric 140cpu67260 Firmware<3.52
Schneider-electric 140cpu67260
Schneider-electric 140cpu65860 Firmware<3.52
Schneider-electric 140cpu65860
Schneider-electric 140cpu67861 Firmware<3.52
Schneider-electric 140cpu67861
Schneider-electric 140cpu65160s Firmware<3.52
Schneider-electric 140cpu65160s
Schneider-electric 140cpu67160s Firmware<3.52
Schneider-electric 140cpu67160s

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